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| From | Austin Nichols <austinnichols@gmail.com> |
| To | statalist@hsphsun2.harvard.edu |
| Subject | Re: st: Accumulated mean and standard deviation |
| Date | Sun, 8 Jan 2012 21:02:20 -0500 |
Pedro Nakashima <nakashimapedrolist@gmail.com>: Faster in one line for each. by day: gen mean=sum(x)/_n by day: gen sd=sqrt((sum(x^2)-mean^2*_n)/(_n-1)) On Sun, Jan 8, 2012 at 5:34 PM, Pedro Nakashima <nakashimapedrolist@gmail.com> wrote: > Thank you Matthew, It worked perfectly! > > Best, > Pedro. > > > > 2012/1/8 Matthew White <mwhite@poverty-action.org>: >> Hi Pedro, <snip> * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/